Inflation impact on macroeconomic performance such as the exchange rate, economic growth, interest rates, exports, imports, wages and the price index of stocks and securities in the capital markets. To get an idea relevant to the topics raised in this study then formulated the research model on inflation and its implications on the fundamentals of the Indonesian economy with multiple equation model approach, semi logarithm, error correction model (ECM), and multiple equations, partial adjustment model (PAM), this phenomenon shows that the increase in the level of SBI will increase the efficiency of the financial sector to further boost the amount of lending and reduce the amount of bad loans. While the value of the variable regression on the amount of currency in circulation amounted -132.7688 means that if the amount of currency in circulation rose one percent will push down inflation of -132.76 percent. Circumstances indicate that the increase in the amount of currency will encourage the real sector to absorb the amount of money circulating in the economy such as the increase in consumption, investment, production, etc., thereby decreasing the rate of inflation